原来使用 opensuse 12.x miniDP 接口能够正常使用，但是新装 opensuse 13.1 后无法使用，miniDP连接显示器，怪异哉，系统booting的时候，startup 都能够正常，但是系统引导后，就不行了 xrandr 信息
xrandr Screen 0: minimum 320 x 200, current 1366 x 768, maximum 32767 x 32767 LVDS1 connected primary 1366x768+0+0 (norcmal left inverted right x axis y axis) 277mm x 156mm 1366x768 60.1*+ 1024x768 60.0 800x600 60.3 56.2 640x480 59.9 VGA1 disconnected (normal left inverted right x axis y axis) HDMI1 disconnected (normal left inverted right x axis y axis) DP1 disconnected (normal left inverted right x axis y axis) 1920x1080_60.00 60.0 HDMI2 disconnected (normal left inverted right x axis y axis) HDMI3 disconnected (normal left inverted right x axis y axis) DP2 disconnected (normal left inverted right x axis y axis) DP3 disconnected (normal left inverted right x axis y axis) VIRTUAL1 disconnected (normal left inverted right x axis y axis)
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